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Faults, causes and remedies
Note
Faults and malfunctions that occur during the warranty period and requiring repair work on
the gearbox must be remedied only by Technical Support. If faults occur without a clearly
identifiable cause, Siemens AG recommends the services of the Technical Support even
after the warranty period has elapsed.
If you need the help from the Technical Support, please have the following information
ready:
• Rating plate data
• Nature and extent of the fault
• Suspected cause
Table 7- 1
Faults
Unusual noise on
the gearbox.
Unusual noise
from the drive unit.
Unusual motor
noise.
BA 2012
Operating Instructions, 02/2018, A5E38093971A/RS-AB
Faults, causes and remedies
Causes
Excessive bearing play and / or bear-
ing defective.
Defective gearing.
Fastening bolts loose.
Excessive external load on the drive
input and output.
Transport damage.
Damage due to blockage during com-
missioning.
Excessive bearing play and / or bear-
ing defective.
Fastening bolts loose.
Excessive bearing play and / or bear-
ing defective.
Motor brake is rubbing.
Converter parameterization.
Remedy
Check the bearing and replace if nec-
essary.
Check the gearing and replace if nec-
essary.
Checking tightness of fastening bolts
(Page 37).
Check the load against rated data
(you might need to correct the belt
tension, for example).
Check the gearbox for damage in
transit.
Call Technical Support.
Check the bearing and replace if nec-
essary.
Checking tightness of fastening bolts
(Page 37).
Check the bearing and replace if nec-
essary.
Check air gap and adjust if necessary.
Correct the parameterization.
7
33
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